Home / 70,860,151.80-106,290,227.70-53,728,068.60

Finding the Fourth Proportional to 70,860,151.80, 106,290,227.70 and 53,728,068.60

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Solution

The fourth proportional to 70,860,151.80, 106,290,227.70 and 53,728,068.60 is: 80,592,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,860,151.80 : 106,290,227.70 = 53,728,068.60 : x
  2. Step 2: Convert to fraction form
    70,860,151.80/106,290,227.70 = 53,728,068.60/x
  3. Step 3: Cross multiply
    70,860,151.80x = 106,290,227.70 × 53,728,068.60
  4. Step 4: Simplify right side
    70,860,151.80x = 5,710,768,645,375,221
  5. Step 5: Solve for x
    x = 5,710,768,645,375,221/70,860,151.80
  6. Step 6: Final answer
    x = 80,592,102.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.